This Is The Actual Truth Behind Your Dog’s Tear Stains.

SOURCE/ REFERENCES:
https://www.sciencedirect.com/science/article/abs/pii/S1938973613000548

https://www.ncbi.nlm.nih.gov/books/NBK470352/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4862370/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6744300/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8304416/

https://bmcmicrobiol.biomedcentral.com/articles/10.1186/s12866-015-0616-0


REFERENCE:

https://dogsbestlife.com/dog-health/tear-stain-causes/

https://www.medvetforpets.com/tear-staining-in-dogs-an-ophthalmologists-perspective/#:~:text=Most%20dogs%20with%20tear%20staining,and%20into%20the%20nasolacrimal%20system.
https://vcahospitals.com/know-your-pet/brachycephalic-airway-syndrome-in-dogs

https://www.petmd.com/dog/treating-and-preventing-dog-tear-stains

https://www.ahhthespaw.com/dog-tear-stains-an-important-warning-sign/